
OCEAN INFORMATION SYSTEMS, INC.

HIPPO DCA2 486

Processor   80486SX/SL80486SX/80487SX/CX486DX/80486DX/SL80486DX/
            CX486DX2/AM486DX2/80486DX2/SL80486DX2/80486DX4/P24T
Processor   25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set    Unidentified
Video Chip  None
Set
Maximum     96MB
Onboard
Memory
Maximum     None
Video
Memory
Cache       None
BIOS        AMI/MR
Dimensions  279mm x 215mm
I/O Options 32-bit VESA local bus slots (3)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Chassis fan power          JP2       Speaker                     P4

  Reset switch               P1        Power LED & keylock         P5

  Turbo switch               P2        External battery            P8

  Turbo LED                  P3        32-bit VESA local bus   SL1 - SL3
                                       slots

  Note: JP2 may not be present.

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Fan voltage select 12v                  JP1           Pins 2 & 3
                                                              closed

      Fan voltage select 5v                   JP1           Pins 1 & 2
                                                              closed

     Reserved for future use (CPU            JP5           Pins 1 & 2
      signal reset source)                                    closed

     Reserved for future use (SL CPU         JP13          Pins 2 & 3
      select)                                                 closed

     Reserved for future use (CPU            JP16             Open
      multiplier 2.5x)

     Reserved for future use (CPU            JP17             Open
      multiplier 2x)

     Reserved for future use (EPMI)          JP18             Open

     CMOS memory normal operation            JP19          Pins 2 & 3
                                                              closed

      CMOS memory clear                       JP19          Pins 1 & 2
                                                              closed

     Power good signal detect from           JP20          Pins 1 & 2
      power supply                                            closed

      Power good signal detect from           JP20          Pins 2 & 3
      board                                                   closed

     Monitor type select color               JP21          Pins 1 & 2
                                                              closed

      Monitor type select monochrome          JP21          Pins 2 & 3
                                                              closed

     Reserved for future use (Cyrix          JP22             Open
      voltage select 3.3v)

     Reserved for future use (Cyrix          JP23             Open
      voltage select 3.6v)

     Reserved for future use (Cyrix          JP24             Open
      voltage select 3.8v)

     Reserved for future use (Cyrix          JP25             Open
      voltage select 4v)

     Reserved for future use                 JP26          Pins 1 & 2
      (Intel/AMD CLKMUL)                                      closed

     Reserved for future use                 JP27            Closed
      (Intel/AMD voltage 3.45v/5v)

     Reserved for future use (force          JP28             Open
      voltage to 5v)

                            DRAM CONFIGURATION

     Size         Bank 0        Bank 1         Bank 2          Bank 3

     4MB        (1) 1M x 36      None           None            None

     6MB        (1) 1M x 36      None         (1) 512K x        None
                                                 36

     8MB        (1) 1M x 36      None         (1) 512K x    (1) 512K x 36
                                                 36

     8MB        (1) 1M x 36   (1) 1M x 36       None            None

     8MB        (1) 2M x 36      None           None            None

     12MB       (1) 1M x 36      None        (1) 2M x 36        None

     12MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36        None

     12MB       (1) 1M x 36   (1) 2M x 36       None            None

     12MB       (1) 2M x 36      None        (1) 1M x 36        None

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     16MB       (1) 1M x 36   (1) 1M x 36    (1) 2M x 36        None

                       DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2        Bank 3

     16MB       (1) 2M x 36       None       (1) 1M x 36    (1) 1M x 36

     16MB       (1) 2M x 36       None       (1) 2M x 36       None

     16MB       (1) 2M x 36   (1) 2M x 36        None          None

     16MB       (1) 4M x 36       None           None          None

     20MB       (1) 1M x 36       None       (1) 2M x 36    (1) 2M x 36

     20MB       (1) 1M x 36   (1) 2M x 36    (1) 2M x 36       None

     24MB       (1) 1M x 36   (1) 1M x 36    (1) 2M x 36    (1) 2M x 36

     24MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36       None

     24MB       (1) 2M x 36       None       (1) 2M x 36    (1) 2M x 36

     24MB       (1) 2M x 36       None       (1) 4M x 36       None

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       None

     24MB       (1) 4M x 36       None       (1) 2M x 36       None

     28MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36    (1) 1M x 36

     28MB       (1) 2M x 36       None       (1) 4M x 36    (1) 1M x 36

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 4M x 36       None

     32MB       (1) 4M x 36       None       (1) 2M x 36    (1) 2M x 36

     32MB       (1) 4M x 36       None       (1) 4M x 36       None

     32MB       (1) 4M x 36   (1) 4M x 36        None          None

     40MB       (1) 1M x 36   (1) 1M x 36    (1) 4M x 36    (1) 4M x 36

     40MB       (1) 1M x 36   (1) 1M x 36    (1) 8M x 36       None

     40MB       (1) 2M x 36       None       (1) 4M x 36    (1) 4M x 36

     40MB       (1) 2M x 36       None       (1) 8M x 36       None

     48MB       (1) 2M x 36   (1) 2M x 36    (1) 4M x 36    (1) 4M x 36

     48MB       (1) 2M x 36   (1) 2M x 36    (1) 8M x 36       None

     48MB       (1) 4M x 36       None       (1) 4M x 36    (1) 4M x 36

     48MB       (1) 4M x 36       None       (1) 8M x 36       None

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36       None

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

     64MB       (1) 4M x 36   (1) 4M x 36    (1) 8M x 36       None

     72MB       (1) 1M x 36   (1) 1M x 36    (1) 8M x 36    (1) 8M x 36

     72MB       (1) 2M x 36       None       (1) 8M x 36    (1) 8M x 36

     80MB       (1) 2M x 36   (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     80MB       (1) 4M x 36       None       (1) 8M x 36    (1) 8M x 36

     96MB       (1) 4M x 36   (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

  Note: Banks 0 & 1 only accept Dynamicache modules.

                     CPU SPEED SELECTION

        Speed                JP3                  JP4

        25MHz          Pins 1 & 2 closed   Pins 1 & 2 closed

        33MHz          Pins 2 & 3 closed   Pins 2 & 3 closed

       50iMHz          Pins 1 & 2 closed   Pins 1 & 2 closed

       66iMHz          Pins 2 & 3 closed   Pins 2 & 3 closed

       75iMHz          Pins 1 & 2 closed   Pins 1 & 2 closed

       100iMHz         Pins 2 & 3 closed   Pins 2 & 3 closed

                            CPU TYPE SELECTION

      Type         JP6       JP7      JP8      JP10      JP14      JP15

    80486SX       Open      Open      Open     2 & 3    2 & 3      2 & 3

   SL80486SX      Open      Open      Open     2 & 3    2 & 3      2 & 3

    80487SX       Open      Open     2 & 3     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    CX486DX       Open      2 & 3    1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    80486DX       Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

   SL80486DX      Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    CX486DX2      Open      1 & 2    1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    AM486DX2      Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    80486DX2      Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

   SL80486DX2     Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

    80486DX4      Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

      P24T        Open      Open     1 & 2     1 & 2,   2 & 3      2 & 3
                                               3 & 4

                        VL BUS WAIT STATE SELECTION

               Setting                                JP12

                    0                          Pins 2 & 3 closed

                   1                          Pins 1 & 2 closed

                          VL BUS SPEED SELECTION

                Setting                                JP11

                 <= 33MHz                      Pins 2 & 3 closed

                  >33 MHz                       Pins 1 & 2 closed

                             VL BUS SELECTION

             Setting                     JP9                  JW1

            Synchronous                 Open          Pins 2 & 3 closed

           Nonsynchronous         Pins 2 & 3 closed    Pins 1 & 2 closed

               MISCELLANEOUS TECHNICAL NOTE

  The location of pin 1 on all jumpers is unidentified.

